﻿using System;
using System.Globalization;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;

namespace Organizer.Views.Converters
{
   public class BooleanVisibilityConverter : IValueConverter
    {
        #region Constructors

        public BooleanVisibilityConverter()
            : this(true)
        { }

        public BooleanVisibilityConverter(bool collapseWhenInvisible)
            : base()
        {
            CollapseWhenInvisible = collapseWhenInvisible;
        }

        #endregion

        #region Properties

        public bool CollapseWhenInvisible { get; set; }

        public Visibility FalseVisibility
        {
            get
            {
                if (CollapseWhenInvisible)
                    return Visibility.Collapsed;
                else
                    return Visibility.Visible;
            }
        }

        #endregion

        #region IValueConverter Members

        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value == null)
                return Visibility.Visible;
            if ((bool)value)
                return Visibility.Visible;
            else
                return FalseVisibility;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value == null)
                return true;
            return ((Visibility)value == Visibility.Visible);
        }

        #endregion
    }
}
